In a major twist, Katherine Pierce appears, posing as Elena. She ambushes Jeremy and Bonnie, using Jeremy to feed Silas and awaken him.
The race to find "the cure" for vampirism reaches its climax on a remote island off the coast of Nova Scotia. Major Plot Points [S4E14] Down the Rabbit Hole
Recognizing that Klaus will never stop hunting him, Tyler decides to flee Mystic Falls. Klaus grants him a "head start" out of mercy for Caroline, leading to a tearful goodbye between Tyler and Caroline. In a major twist, Katherine Pierce appears, posing as Elena
After Silas is awakened, he snaps Jeremy’s neck, leaving him lifeless on the cave floor as Katherine escapes with the cure. Character Developments In a major twist